SANGAMO THERAPEUTICS INC

Ticker: SGMO CUSIP: 800677106 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014

Shares 34,000 Value ($000) $367 Avg Close $13.06 Range $10.63 - $16.72

Q2 2014

Shares 34,000 Value ($000) $519 Avg Close $14.39 Range $11.47 - $18.36

Q3 2013

Shares 46,300 Value ($000) $486 Avg Close $9.93 Range $7.60 - $11.48

Q2 2013

Shares 21,600 Value ($000) $169 Avg Close $8.72 Range $6.86 - $10.92

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	34,000	$367	$13.06	$10.63 - $16.72
Q2 2014	34,000	$519	$14.39	$11.47 - $18.36
Q3 2013	46,300	$486	$9.93	$7.60 - $11.48
Q2 2013	21,600	$169	$8.72	$6.86 - $10.92